PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Used coffee grounds and crushed egg shells are excellent sources of nitrogen, phosphoric acid, calcium, potassium and other trace elements and minerals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sfgate.com